. >> greta: iranian president mahmoud ahmadinejad who called for israel to be wiped off the met is set to speak at the u.n. why is that speaking even more outrage than usual? because wednesday's yom kippur, the holiest jewish holiday of the year. we spoke with former new york mayor rudy giuliani about the controversy. mayor, nice to see you. >> nice to see you too. >> greta: i want to start with president ahmadinejad, your view of him coming to the united states and addressing the general assembly once again. >> i've always thought it was an outrage that he come. we used to be successful keeping people out like him in the past. but, you know, it happens. this guy is a -- i don't know what it is. he's obviously a killer, a murderer. i think a maniac. someone who has announced over and over again that he wants to see the destruction of the state of israel. in many ways he'd like to see the destruction of the united states of america. he's accorded the status of speaking as a head of state with a u.n. that, that a large segment is sympathetic to him. this is a man determined to become a n